update newItem endpoint.

Author: JMFritz

src/deployFrontend/static/main.js

@@ -13,7 +13,7 @@ $('#submit').click(function(e) {
 
  var ajaxRequest = $.ajax({
  type: "POST",
- url: `${API_ENDPOINT}/new-item`,
+ url: `${API_ENDPOINT}/newItem`,
  data: JSON.stringify(inputData),
  contentType: "application/json",
  dataType: "text",